Physical and Chemical Properties

Front

What is a physical property?

Back

A characteristic of a substance that can be observed or measured without changing its identity, such as color, density, or melting point.

Front

What is a chemical property?

Back

A characteristic of a substance that describes its ability to undergo a specific chemical change, such as reactivity with acids or the ability to rust.

Front

Give an example of a physical property.

Back

The boiling point of water is a physical property.

Front

Give an example of a chemical property.

Back

The ability of iron to rust when exposed to moisture is a chemical property.

Front

What happens when a chemical property is observed?

Back

A new substance is formed with different properties.

Front

Is the hardness of a diamond a physical or chemical property?

Back

It is a physical property.

Front

What does reactivity refer to in terms of chemical properties?

Back

Reactivity refers to how readily a substance combines chemically with other substances.

Front

What is the significance of observing a chemical change?

Back

It indicates that a chemical reaction has occurred, resulting in the formation of new substances.

Front

What is an example of a substance that has a high reactivity?

Back

Sodium is an example of a substance that reacts very easily with other elements.

Front

What is the difference between a physical change and a chemical change?

Back

A physical change does not alter the chemical composition of a substance, while a chemical change results in the formation of new substances.